<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" >
  <rect x="0" y="0" height="100" width="100" fill="orange"/>
  <g style="opacity:.75">
      <rect x="2" y="2" height="96" width="96"
            stroke-width="4" stroke="black" fill="yellow"/>
      <circle cx="50" cy="50" r="46" style="fill: blue"/>
  </g>
</svg>
